Combustion device



FIG. 1 is a perspective view of a combustion device embodying my newdesign;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines depict portions of the combustion device in which thedesign is embodied that are not considered part of the claimed design.

CLAIM The ornamental design for a combustion device, as shown anddescribed.